Air purifier



FIG. 1 is a perspective view of an air purifier showing our new design.

FIG. 2 is a front elevational view of an air purifier showing our new design.

FIG. 3 is a left side elevational view of an air purifier showing our new design.

FIG. 4 is a right side elevational view of an air purifier showing our new design.

FIG. 5 is a top plan view of an air purifier showing our new design.

FIG. 6 is a bottom plan view of an air purifier showing our new design; and,

FIG. 7 is a rear elevational view of an air purifier showing our new design.

The broken lines shown in FIGS. 1, 2, 3, 4, 5, and 7 are for environment and form no part of the claimed design. 

The ornamental design for an air purifier, as shown and described. 